Choose the word whose underlined part is pronounced differently from that of the others

1. Choose the word whose underlined part is pronounced differently from that of the others 
1. A.prize       B.drill.     C.brick.     D.trim
2.A.broom      B.proof.    C.blood.    D.troop 
3.A.practice     B .cracker.     C.tractor.   D.bracelet 
4.A.trophy     B.problem   C.broccoli.  D.drop
5.A.trunk.      B.prudential .    C.found.   D.crush
6.A.sound.     B.cloud .  C.found .  D.favourite
7.A.tool.         B.noon.     C.door.     D.school
8.A.know.        B.show.    C.now.     D.low 
9.A.crafts.    B.comics.    C.stree.   D.stamps
10.A.mention      B.question .  C.action.    D.education